frederic reblewski
  • Male
  • Saratoga, CA
  • United States
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frederic reblewski commented on Nicolai Valenti's blog post Projecting Hybrid aerial vehicle for human transport
"I would be interested to understand how you come up with the 6l/h. If I assume a mechanic to electric one way conversion efficiency around 80% and an engine efficiency around 25%, a propeller efficiency of 80% 6l/h gives you around 6KW mechanical…"
Aug 2
frederic reblewski commented on Nicolai Valenti's blog post Projecting Hybrid aerial vehicle for human transport
"to be fair to Cessna, 30l/h is at around 180km/h. energy varying as the third power of speed that would be 3l/h at 80km/h .... if it was not below the 172 stall speed!"
Aug 2

Profile Information

About Me:
engineer with interest in anything that flies.
Please tell us a bit about your UAV interest
mainly interested in airframes and the "system" aspect of UAS with an emphasis on efficiency. more interested in data than what is "cool"
Hometown:
originally from Paris, France

Frederic reblewski's Blog

3D printed brushless gimbal for GoPro

Posted on June 29, 2013 at 7:00pm 25 Comments

I am a member of a French yahoo group on 3D printing. Today a member posted a link to this nice brushless gimbal that he designed for the GoPro hero3 and posted on Thingiverse. he did not reference the controller he is using but he published the design files …

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Small UAV Design and Application talk at Carnegie Mellon's Silicon Valley campus

Posted on March 28, 2011 at 3:30pm 3 Comments

for those in the bay area:

Thursday April 14, 2011

Date and Time

Thursday, April 14

7:00pm: Presentation

8:00pm: Adjourn…

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Comment Wall (1 comment)

At 12:26pm on July 22, 2011, George Tarrant said…

Frederick

I do plan to write up my method for PID tuning but other commitments mean it may not be anytime soon.

 

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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